Home / 43,335.84-64,903.32-31,620

Finding the Fourth Proportional to 43,335.84, 64,903.32 and 31,620

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Solution

The fourth proportional to 43,335.84, 64,903.32 and 31,620 is: 47,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.84 : 64,903.32 = 31,620 : x
  2. Step 2: Convert to fraction form
    43,335.84/64,903.32 = 31,620/x
  3. Step 3: Cross multiply
    43,335.84x = 64,903.32 × 31,620
  4. Step 4: Simplify right side
    43,335.84x = 2,052,242,978.40
  5. Step 5: Solve for x
    x = 2,052,242,978.40/43,335.84
  6. Step 6: Final answer
    x = 47,356.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.